Israeli authorities said the Red Cross was due to receive two more coffins containing the remains of deceased hostages.

Hamas returned the remains of four more hostages to Israeli authorities and Israel returned the remains of 45 Palestinians to Gaza on Tuesday, according to the International Committee of the Red Cross,

Israel and Hamas moved ahead on a key first step of the tenuous Gaza ceasefire agreement by freeing hostages and prisoners, raising hopes that the U.S.-brokered deal might lead to a permanent end to the two-year war that ravaged the Palestinian territory.

Hamas transferred four bodies from the Red Cross to the Israeli Defense Forces overnight, and examinations from Israel’s National Institute of Forensic Medicine found no match between the fourth person and a list of hostages,

The remains of four more Israeli hostages returned by Hamas arrived in Tel Aviv on Oct. 15, as part of a U.S.-brokered deal.

But the return of 28 dead hostages has remained one of the final details to be worked out in the deal to end more than two years of hostilities that began with Hamas attacks on Is

All 20 remaining living hostages held in Gaza and hundreds of Palestinian prisoners held by Israel walked free Monday as part of a ceasefire pausing two years of war that decimated the Gaza Strip and killed tens of thousands of Palestinians.